Simangunsong, Riris, author
2010
UI - Skripsi (Membership)
Situmorang, Sorta Marlina, author
1989
UI - Skripsi (Membership)
Artikel Jurnal
Dimas Sayyid Mahfuzh, author
Fakultas Psikologi Universitas Indonesia, 2012
UI - Skripsi (Open)
Sinaga, Yulia Vonny, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi (Open)